扫频信号发生器是一种信号激励装置。
Sweep signal generator is a device that generates excitation signal.
在低频场合，不失为一种理想的扫频信号源。
介绍用计算机软件产生正弦稳态扫频信号的编程方法。
The method of producing sine sweep by computer programing is introduced.
介绍了嵌入式扫频信号源的工作原理及硬件、软件设计方案。
The hardware and software design of embedded swept signal source was introduced, in addition to its operation principle.
扫频信号发生器有自动扫频、手控、程控和远控等工作方式。
Sweep sweep signal generator with automatic, manual, program-controlled and well-controlled manner, and so on.
介绍了八毫米微波扫频信号源的工作原理及关键电路的设计。
This paper presents operation principle of an 8 millimeter microwave sweep oscillator and design of some key circuits.
本文介绍了利用DDS来产生线性扫频信号的射频信号发生单元的设计。
This article describes the design of a linear sweeping frequency signal generator using DDS technology.
在依据仿真结果设计了锁相环扫频信号源，并对信号源进行了调试和测试。
Based on the simulation, the PLL sweep signal resource has been designed, and then we have debugged and tested the signal source.
其包括扫频信号产生与控制、数据采集和频率特性分析三个主要模块以及若干功能扩展模块。
This system includes creating and controlling frequence-scanning signal, datas acquiring and frequence peculiarity analyzing three main modules, and some extended modules.
基于此理论，本文用CPLD通过编程实现DDS，完成了扫频信号发生器的设计，此系统具有很高的性价比。
Based on the theory, DDS is realized with CPLD through program and the design of sweep signal generator is finished. And the system will have high price performance ratio.
通过分析预载电压和扫频信号幅值对静电负刚度的影响，提出了从系统刚度中分离出挠性梁机械刚度的计算方法。
After analyzed the effect of preload voltage and sweep voltage on the negative electrostatic spring stiffness, a method to dissociate mechanical stiffness from the system stiffness has been provided.
介绍了基于DDS技术的虚拟扫频仪的硬件与软件设计，并详述了DDS技术以及用该技术实现扫频信号源的方法。
This paper introduced the design and development of a virtual frequency sweeper based on DDS technology. The DDS technology and the method to design the frequency sweeping generator were illustrated.
陈述了利用扫频信号源、标量网络分析仪和宽带喇叭天线等构成的系统对微波衰减测量的过程，对该方法的诊断误差进行了讨论。
The process of attenuation measurement is presented, which utilizes a system consisted of a sweep oscillator, a pair of broad-banded horns, and a scalar network analyzer, etc.
在国内某电厂的300MW机组锅炉上，利用炉墙上的观火孔，分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
本文分别以白噪声及扫频信号为信号源，采用计算机仿真软件MATLAB，对声波在声发射端和接收端之间的飞渡时间的互相关估计进行了计算机仿真研究。
In this paper we separately use White noise and chirp signal as signal source, and apply simulate software MATLAB to research the time delay between the transmitted signal and the received signal.
本文分别以白噪声及扫频信号为信号源，采用计算机仿真软件MATLAB，对声波在声发射端和接收端之间的飞渡时间的互相关估计进行了计算机仿真研究。
In this paper we separately use White noise and chirp signal as signal source, and apply simulate software MATLAB to research the time delay between the transmitted signal and the received signal.
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